n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 51 |
4 | 561 |
5 | 7556 |
6 | 120196 |
7 | 2201856 |
8 | 45592666 |
9 | 1051951026 |
10 | 26740775306 |
11 | 742069051906 |
12 | 22310563733864 |
13 | 722108667742546 |
14 | 25024187820786357 |
15 | 924161461265888370 |
16 | 36223781285638309482 |
17 | 1501552062016443881514 |
[1,1,6,51,561,7556,120196,2201856,45592666, 1051951026,26740775306,742069051906, 22310563733864,722108667742546,25024187820786357, 924161461265888370,36223781285638309482, 1501552062016443881514] |